© Authors. The study of the human mental state as a mental phenomenon supposes a study of different parts of representations in the state of consciousness. The emergence and consolidation of mental representations of states associated with the processing of internal sensations and impressions that in comparison with the content of an earlier experience form the mental structures associated with the current state. The aim of research is the study of the dynamics of mental states' representations of students in the experimental exposure. The experiment involved 30 people aged 18-19 years. Investigation of the stability-variability of mental representations was carried out as follows. First recorded baseline characteristics of mental states' r...